MerCruiser 423-2275 43-34465 GM 3793082 Crankshaft Gear 120hp 4cyl 1964-1971 7.5hp GM part # 14098820 /

GM part # 14098820 / 14098620 as I see in some references

generally on the sticker or underneath the sticker on the upper housing) If you have any questions regarding Compatibility

This was used on DT140

The Part Number of Clamp is 305609

160hp 6cyl 4

MerCruiser 423-2275 43-34465 GM 3793082 Crankshaft Gear 120hp 4cyl 1964-1971 7.5hp GM part # 14098820 /PLEASE NOTE THE APPLICATION YEARS FOR THESE PARTS ARE 1964 1971ish because of the timing gear (Serial Number 3253905 & Below) You could techinically remove a newer style timing gear from your crankshaft and put it on this one. Part Number(s) Included 423 2275 Crankshaft (120hp 2. 5L 4cyl 153cid) GM 5743014 stamped (GM 5743014) Also sometimes see this earlier timing gear with 3793082 stamping which should be equivalent as the crankshaft really did not